19131795043 has 16 divisors (see below), whose sum is σ = 19725742080. Its totient is φ = 18546262336.

The previous prime is 19131795037. The next prime is 19131795143. The reversal of 19131795043 is 34059713191.

It is a cyclic number.

It is not a de Polignac number, because 19131795043 - 2¹³ = 19131786851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19131795143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081180 + ... + 3087382.

It is an arithmetic number, because the mean of its divisors is an integer number (1232858880).

Almost surely, 2^19131795043 is an apocalyptic number.

19131795043 is a deficient number, since it is larger than the sum of its proper divisors (593947037).

19131795043 is a wasteful number, since it uses less digits than its factorization.

19131795043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 19131795043 in words is "nineteen billion, one hundred thirty-one million, seven hundred ninety-five thousand, forty-three".